The Heavy Transport Barge (HTB) is an aging design, developed during the Clone Wars to move troops and equipment in hostile territory. To keep its occupants and supplies as well protected as possible, offensive weaponry was kept out of the design, which allowed more room for shielding and armor. As a result, the HTB must rely on armed escorts to keep its enemies at bay. Due to the added weight of its reinforced hull, the HTB is relatively slow compared to modern barges. However, because of its large payload capacity and the sheer number produced during the war, the HTB is still in widespread use throughout the galaxy.

The Seltiss-2 caravel was designed to be a cheap alternative to the popular, but expensive luxury sail barge. Essentially a scaled down version of the luxury model, it has half the capacity, passenger space and repulsor lift power of its predecessor. The repulsors are so limited that the barge cannot traverse rocky areas. However, the smaller size and lighter repulsor units allow it to travel twice as fast.

Since the Seltiss model was not intended for the wealthy, who are popular targets for pirates and bandits, its designers opted to strip out most of the weaponry and armor. The budget analysts also deemed it necessary to remove most of the luxury facilities from within the vehicle to keep production costs low. However, many Seltiss-2 owners have after-market weapons and upgraded amenities installed. Likewise, extravagant customization of the barge, reflecting the owner's unique taste, is a well-documented and popular pastime.